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Marketable Securities
 12 Months Ended
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]  
Marketable Securities Marketable SecuritiesAvailable-for-sale marketable securities as of December 31, 2022 and 2021 were as follows (in thousands):
December 31, 2022
Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair
Value
Government-sponsored enterprises$32,812 $5 $(7)$32,810 
Corporate debt securities12,655 1 (4)12,652 
Total$45,467 $6 $(11)$45,462 
December 31, 2021
Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair
Value
U.S. Treasury securities$81,184 $— $(52)$81,132 
Government-sponsored enterprises7,739 — (5)7,734 
Corporate debt securities31,285 — (4)31,281 
Total$120,208 $— $(61)$120,147 
All of the Company's available-for-sale securities held at December 31, 2022 and 2021 had contractual maturities of less than one year. All of the Company’s available-for-sale marketable debt securities in an unrealized loss position as of December 31, 2022 and 2021 were in a loss position for less than twelve months.  Unrealized losses on available-for-sale debt securities as of December 31, 2022 and 2021 were not significant and were primarily due to changes in interest rates, including market credit spreads, and not due to increased credit risks associated with specific securities. Accordingly, no allowance for credit losses related to the Company's available-for-sale debt securities was recorded for the years ended December 31, 2022 and 2021. The Company does not intend to sell these investments and it is not more likely than not that the Company will be required to sell the investments before recovery of their amortized cost bases, which may be at maturity. The Company recorded interest income of $1.7 million, $2.0 million and $0.8 million during the years ended December 31, 2022, 2021 and 2020, respectively, which is included in other income on the consolidated statements of operations and comprehensive loss.